East Germany (Ostdeutschland), German Democratic Republic (GDR), Deutsche Demokratische Republik (DDR), was a country in Central Europe that existed from its formation on 7 October 1949 until its reunification with West Germany on 3 October 1990.
East Germany consisted of: East Berlin, and the five German states of Mecklenburg-Vorpommern (in 1947 renamed Mecklenburg), Brandenburg, Saxony-Anhalt (named Province of Saxony until 1946), Thuringia, and Saxony.